package com.hotel.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class AccessFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        if(request.getRequestURI().indexOf("static") > 0 || request.getRequestURI().indexOf("login") > 0 || request.getSession(false) != null) {
            filterChain.doFilter(servletRequest, servletResponse);
        }else {
            response.sendRedirect("/login.html");
        }
    }

    @Override
    public void destroy() {

    }

}
